body {
    main {
        color: black;
        #avatar{
            width: 96px;
            height: 96px;
        }

        .dytop {
            height: 50px;
            border-bottom: 1px solid red;

            img {
                width: 20px;
                height: 20px;
            }
            span{
                font-weight: bolder;
                font-size: 18px;
            }
            button {
                color: #fff;
                width: 60px;
                line-height: 30px;
                background-color: rgba(66, 148, 255, 100);
                border-radius: 5px;
            }

        }
    }
    a {
        color: black !important;
    }
}